Bug in vertex color

[ZacZhangzhuo]

compas_view2/src/compas_view2/objects/meshobject.py

Lines 175 to 192 in 07b8604

	else:
	points = [vertex_xyz[vertex] for vertex in vertices]
	c = centroid_points(points)
	for a, b in pairwise(points + points[:1]):
	positions.append(a)
	positions.append(b)
	positions.append(c)
	if self.use_vertex_color:
	colors.append(vertex_color[a])
	colors.append(vertex_color[b])
	colors.append(vertex_color[c])
	else:
	colors.append(color)
	colors.append(color)
	colors.append(color)
	elements.append([i + 0, i + 1, i + 2])
	i += 3
	return positions, colors, elements

There is likely a bug. If you run:

from compas.datastructures import Mesh
from compas_view2 import app

viewer = app.App()

mesh = Mesh.from_polyhedron(12)

viewer.add(mesh)
viewer.show()

with use_vertex_color enabled, the error will pop up.

This might also affect the viewer.